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Letter 18 (AB 26) of October 9, 1676, is Leeuwenhoek's most famous letter, the one in which he describes in detail the microbes in his infusions. Note the links there under Publication history and Learn more to all of the pages, events, and sources related to this letter on Lens on Leeuwenhoek.

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in the 1600's

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in the 1600's

The Royal Society read the second part of Leeuwenhoek's long letter of October 9, 1676

Date:

February 8, 1677

According to Birch's History, vol. 3, p. 333, at their weekly meeting the Royal Society read the second part of Leeuwenhoek's long letter of October 9, 1676.

Mr. Oldenburg produced the sequel of Mr. Leewenhoeck's letter concerning the great plenty of very little animals observed in rain, well, sea, and snowwater; as also in water, in which pepper had lain infused.

The remainder of this paper was referred to another meeting; and the secretary was again desired to procure from Mr. Leewenhoeck his method of observing, that by making use of the same, the Society might be enabled to confirm his observations.